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Akt2 Mediates Glucocorticoid Resistance in Acute Lymphoblastic Leukemia through FoxO3a/Bim Axis and Serves As a Direct Target for Resistance Reversal
Conclusions: Akt2 might serve as a more direct and specific kinase mediating GC resistance through FoxO3a/Bim-signaling pathway in ALL, and targeting Akt2 with CCT128930 may be explored as a promising therapeutic strategy for resistance reversal.Figure.DisclosuresNo relevant conflicts of interest to declare.
Source: Blood - November 21, 2018 Category: Hematology Authors: Xie, M., Xie, Y., Yang, A., Ma, J., Wu, M., Jin, Y. Tags: 605. Molecular Pharmacology, Drug Resistance-Lymphoid and Other Diseases: Poster III Source Type: research

HMGB1 Interacts with the MLL-AF4 Fusion Complex to Regulate Pro-Leukemic Gene Transcription in Infant Acute Lymphoblastic Leukemia
In this study, we generated an HMGB1 siRNA knockdown in primary MLL-ALL cells from 3 infants to test our hypothesis that HMGB1-MLL interactions regulate pro-leukemic gene expression and represent a rational therapeutic target.CD19-selected leukemic blasts were isolated from the cryopreserved bone marrow or peripheral blood specimens of 3 infants with cytogenetically confirmed MLL-AF4 rearrangements. HMGB1 knockdown was confirmed by comparing HMGB1 mRNA and protein expression, by qPCR and Western Blot, in cells transfected with HMGB1 vs. control sequence siRNA. First, determined whether HMGB1 knockdown affected expression o...
Source: Blood - November 21, 2018 Category: Hematology Authors: Toia, L. M., Braverman, E. L., Magno, J. A., Shand, J. C. Tags: 602. Disordered Gene Expression in Hematologic Malignancy, including Disordered Epigenetic Regulation: Poster II Source Type: research